Wind Turbine Blade Deflection Sensing System Based on UWB Technology

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Abstrakt

A microwave sensing system for estimating deflection of a wind turbine blade is presented. The system measures distances at two ultrawideband (UWB) wireless links between one antenna at the tip and two antennas at the root of the blade, which allows for determination of the tip position by triangulation. An experimental setup with corner reflector antenna mounted at the tip and horn antennas at the root of a 37.3 m long blade is described. Analyzing the data from the experiment, special attention is given to the propagation aspects of the UWB links, with focus on the multipath effects caused by the blade. It is demonstrated that despite the adverse effects of the multipath propagation the ranging accuracy of the system amounts to 1.5 cm, leading to maximum error of deflection 4.5 %.
OriginalsprogEngelsk
TitelAntennas and Propagation in Wireless Communications (APWC), 2016 IEEE-APS Topical Conference on
UdgivelsesstedCairns, Australia
ForlagIEEE
Publikationsdatosep. 2016
Udgave6th
Sider260-263
ISBN (Elektronisk)978-1-5090-0470-6
DOI
StatusUdgivet - sep. 2016
Begivenhed2016 International Conference on Electromagnetics in Advanced Applications / IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications - Cairns, Australien
Varighed: 19 sep. 201623 sep. 2016
http://www.iceaa-offshore.org

Konference

Konference2016 International Conference on Electromagnetics in Advanced Applications / IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications
Land/OmrådeAustralien
ByCairns
Periode19/09/201623/09/2016
Internetadresse

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